Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
An exoplanetary drama: a planet collapses on its star
2/9/10

It’s a first! Astronomers are observing an extrasolar planet that is nearing its end. Its star is planned to disintegrate in… a few hundred million years. A fraction of a second on an astronomical scale…

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Where does the water in the oceans come from?
1/14/10

Isotopic analysis of the Earth’s water and water contained in comets appears to show that the majority of water in our oceans does not have a cometary origin. 10% of our water, at the very most, comes from comets.

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Darwin and extraterrestrial life: between ambition and caution
11/10/09

Is our earth the only oasis favourable to life? The Darwin space mission, designed to characterise exoplanetary atmospheres similar to our world, may start to form an answer. When will it be launched?

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Surprise discovery related to the polar auroras of Jupiter
5/26/08

In 2007, a large scale program of observations of Jupiter using the Hubble Space Telescope produced some surprising images of polar auroras above the giant planet. Bertrand Bonfond, researcher at the ULg, has been trying to understand them.

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Voyage to the Centre of the Stars
5/6/07

Is our Earth unique? How can we penetrate to the very heart of the stars? These questions are two aspects of the same space mission: CoRoT. This satellite, launched in December 2006, is now supplying us with its first observations. A spotlight on CoRoT, with Professor Arlette Noels, below.

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